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A32Pro Firmware Update Fail
#1
I'm unable to update firmware on my A32Pro.  

The flash downloader works fine, ESP32S3, develop, USB.  Port COM3 good.  Start.  Green bar grows, but finishes at 40% (between STOP and ERASE).

Tried holding DL button and turn on device.  No change.

Device now appears to be locked.  No LCD display, no network connection, no Wifi.

How do I restore to factory and or hard reset?
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#2
1. power off A32Pro.
2. hold on DW (download) button, don't move your finger.
3. power on of A32Pro
4. release your finger.
5. Then A32Proenter bootloader mode. download firmware again.
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#3
(09-16-2025, 01:33 AM)admin Wrote: 1. power off A32Pro.
2. hold on DW (download) button, don't move your finger.
3. power on of A32Pro
4. release your finger.
5. Then A32Proenter bootloader mode. download firmware again.

I tried that multiple times.  On the A32Pro the button is DL not DW for download.

I press start and the green bar grows, stops at 40%, waits and then flies to the end.

I restart and no change.

The device appears dead.  No LCD, no initial relay sequence, nothing.

Keith


Attached Files Image(s)
   
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#4
it already showed finished. you just need re power on of your controller.
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#5
(09-16-2025, 11:44 AM)admin Wrote: it already showed finished. you just need re power on of your controller.

The device was working perfectly 10 days ago.  I put aside before installation in DB. When turned on, no connection.

Video of download 

https://1drv.ms/v/c/83a0c66ac59718dc/ESq...2eEHFZpI5w

The download stops at 40% progress, pauses and races to end.

The device cannot be found on network using UDP Tool, KBox, IP address.
LCD is blank.
No LAN lights.
No wifi link.

I have setup many E16S no problem.  I am not the issue.

What can I do?  Factory flash the ESP32S3?

Regards,

Keith
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#6
the video showed downloaded 100%, no problem.
where is issue? if you can't download, you can try to change USB-C cable, and lower your baud rate.
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#7
(09-17-2025, 11:04 PM)admin Wrote: the video showed downloaded 100%, no problem.
where is issue? if you can't download, you can try to change USB-C cable, and lower your baud rate.

Hi!
what was Your solution, I have similar problem - all shows that OK but status green bar don't moving at all    
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#8
you have lose this option, see photo RED.
   
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